NEWBURGH — A Westchester County DJ is facing felony rape charges in Newburgh for having sex with a 14-year-old girl in his motor home in a department store parking lot, state police say.Dean “DJ Dino Mack” Picariello, 22, of Montrose befriended a 14-year-old girl in the Town of Newburgh and on Jan. 22 took her to his motor home that was in the parking lot of a local department store and had sex with her, police say.An investigation by state police also found Picariello was out on bail from Westchester County, accused by Westchester County Police on Dec. 19 of having sex with a 16-year-old girl in the Town of Cortlandt and sending a sexually explicit texts to her.Picariello is charged with the felonies of rape, criminal sex act and misdemeanor unlawful imprisonment. He was arraigned in Town of Newburgh court and sent to Westchester County Corrections on $15,000 cash 04 $30,000 bond.Police say Picariello performed at several youth parties as DJ Dino Mack in the area and anyone with information should call state police at 457-1388.